@iota-big3/sdk-blockchain
Version:
Comprehensive blockchain integration platform with multi-chain support, smart contracts, DeFi protocols, NFT infrastructure, Bitcoin support, and seamless SDK ecosystem integration for IOTA Big3
272 lines • 9.65 kB
JavaScript
;
/**
* @iota-big3/sdk-blockchain - Clean DeFi Protocols Manager
* DeFi protocol integration and management
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.DeFiProtocolsManager = void 0;
const events_1 = require("events");
class DeFiProtocolsManager extends events_1.EventEmitter {
constructor() {
super();
this.isEnabled = true;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
this.supportedProtocols = new Map();
this.initialized = false;
}
async initialize() {
if (this.initialized)
return;
try {
this.emit('defi_initializing');
// Mock protocol initialization
this.supportedProtocols.set('uniswap', {
name: 'Uniswap V3',
chainId: 1,
routerAddress: '0xE592427A0AEce92De3Edee1F18E0157C05861564',
factoryAddress: '0x1F98431c8aD98523631AE4a59f267346ea31F984'
});
this.supportedProtocols.set('pancakeswap', {
name: 'PancakeSwap',
chainId: 56,
routerAddress: '0x10ED43C718714eb63d5aA57B78B54704E256024E',
factoryAddress: '0xcA143Ce32Fe78f1f7019d7d551a6402fC5350c73'
});
this.initialized = true;
this.emit('defi_initialized', {
protocols: Array.from(this.supportedProtocols.keys())
});
}
catch (error) {
this.emit('defi_error', { error: error instanceof Error ? error.message : 'Unknown error' });
throw error;
}
}
async executeSwap(params, protocol = 'uniswap') {
if (!this.initialized) {
await this.initialize();
}
const protocolConfig = this.supportedProtocols.get(protocol);
if (!protocolConfig) {
throw new Error(`Protocol ${protocol} not supported`);
}
try {
this.emit('swap_executing', { params, protocol });
// Mock swap execution
const receipt = {
transactionHash: `0x${'h'.repeat(64)}`,
blockNumber: Math.floor(Math.random() * 1000000) + 15000000,
blockHash: `0x${'i'.repeat(64)}`,
gasUsed: '150000',
effectiveGasPrice: '20000000000',
status: true,
from: params.recipient,
to: protocolConfig.routerAddress,
logs: []
};
const event = {
type: 'swap_executed',
data: {
params,
protocol,
receipt,
amountOut: (parseFloat(params.amountIn) * 0.95).toString() // Mock 5% slippage
},
timestamp: new Date(),
chainId: protocolConfig.chainId,
transactionHash: receipt.transactionHash
};
this.emit('swap_executed', event);
return receipt;
}
catch (error) {
this.emit('swap_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
params,
protocol
});
throw error;
}
}
async addLiquidity(params, protocol = 'uniswap') {
if (!this.initialized) {
await this.initialize();
}
const protocolConfig = this.supportedProtocols.get(protocol);
if (!protocolConfig) {
throw new Error(`Protocol ${protocol} not supported`);
}
try {
this.emit('liquidity_adding', { params, protocol });
// Mock liquidity addition
const receipt = {
transactionHash: `0x${'j'.repeat(64)}`,
blockNumber: Math.floor(Math.random() * 1000000) + 15000000,
blockHash: `0x${'k'.repeat(64)}`,
gasUsed: '200000',
effectiveGasPrice: '20000000000',
status: true,
from: params.recipient,
to: protocolConfig.routerAddress,
logs: []
};
const event = {
type: 'liquidity_added',
data: {
params,
protocol,
receipt,
lpTokens: '1000000000000000000' // Mock 1 LP token
},
timestamp: new Date(),
chainId: protocolConfig.chainId,
transactionHash: receipt.transactionHash
};
this.emit('liquidity_added', event);
return receipt;
}
catch (error) {
this.emit('liquidity_add_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
params,
protocol
});
throw error;
}
}
async removeLiquidity(tokenA, tokenB, liquidity, recipient, protocol = 'uniswap') {
if (!this.initialized) {
await this.initialize();
}
const protocolConfig = this.supportedProtocols.get(protocol);
if (!protocolConfig) {
throw new Error(`Protocol ${protocol} not supported`);
}
try {
this.emit('liquidity_removing', { tokenA, tokenB, liquidity, protocol });
// Mock liquidity removal
const receipt = {
transactionHash: `0x${'l'.repeat(64)}`,
blockNumber: Math.floor(Math.random() * 1000000) + 15000000,
blockHash: `0x${'m'.repeat(64)}`,
gasUsed: '180000',
effectiveGasPrice: '20000000000',
status: true,
from: recipient,
to: protocolConfig.routerAddress,
logs: []
};
this.emit('liquidity_removed', {
tokenA,
tokenB,
liquidity,
protocol,
receipt
});
return receipt;
}
catch (error) {
this.emit('liquidity_remove_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
tokenA,
tokenB,
protocol
});
throw error;
}
}
async getQuote(tokenIn, tokenOut, amountIn, protocol = 'uniswap') {
const protocolConfig = this.supportedProtocols.get(protocol);
if (!protocolConfig) {
throw new Error(`Protocol ${protocol} not supported`);
}
try {
// Mock quote calculation
const amountOut = (parseFloat(amountIn) * 0.95).toString(); // Mock 5% slippage
const priceImpact = 0.05; // Mock 5% price impact
this.emit('quote_calculated', {
tokenIn,
tokenOut,
amountIn,
amountOut,
priceImpact,
protocol
});
return { amountOut, priceImpact };
}
catch (error) {
this.emit('quote_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
tokenIn,
tokenOut,
protocol
});
throw error;
}
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
async getPoolInfo(tokenA, tokenB, protocol = 'uniswap') {
const protocolConfig = this.supportedProtocols.get(protocol);
if (!protocolConfig) {
throw new Error(`Protocol ${protocol} not supported`);
}
try {
// Mock pool info
const poolInfo = {
address: `0x${'n'.repeat(40)}`,
tokenA,
tokenB,
fee: 3000, // 0.3%
liquidity: '1000000000000000000000',
sqrtPriceX96: '79228162514264337593543950336',
tick: 0,
protocol
};
this.emit('pool_info_retrieved', poolInfo);
return poolInfo;
}
catch (error) {
this.emit('pool_info_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
tokenA,
tokenB,
protocol
});
throw error;
}
}
getSupportedProtocols() {
return Array.from(this.supportedProtocols.keys());
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
getProtocolInfo(protocol) {
return this.supportedProtocols.get(protocol);
}
isProtocolSupported(protocol) {
return this.supportedProtocols.has(protocol);
}
async getHealth() {
return {
isHealthy: this.initialized && this.isEnabled,
connectedChains: new Set(Array.from(this.supportedProtocols.values()).map(p => p.chainId)).size,
activeContracts: this.supportedProtocols.size
};
}
getMetrics() {
return {
totalTransactions: 0,
successfulTransactions: 0,
failedTransactions: 0,
averageGasUsed: '150000',
totalValueTransferred: '0',
activeWallets: 0
};
}
async shutdown() {
this.supportedProtocols.clear();
this.initialized = false;
this.removeAllListeners();
}
}
exports.DeFiProtocolsManager = DeFiProtocolsManager;
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